Some Common 31P Chemical Shifts


From: http://nmr.chem.indiana.edu/NMRguide/misc/31Pshifts.html

Phosphorous (III) Chemical Shift Table (from Bruker Almanac 1991)

Compound Chemical Shift (ppm)
Relative to 85% H3PO4
PMe3 -62
PEt3 -20
PPr(n)3 -33
PPr(i)3 +19.4
PBu(n)3 -32.5
PBu(i)3 -45.3
PBu(s)3 +7.9
PBu(t)3 +63
PMeF2 245
PMeH2 -163.5
PMeCl2 +192
PMeBr2 +184
PMe2F +186
PMe2H -99
PMe2Cl -96.5
PMe2Br -90.5

Phosphorous (V) Chemical Shift Table (from Bruker Almanac 1991)

Compound Chemical Shift (ppm)
Relative to 85% H3PO4
Me3PO +36.2
Et3PO +48.3
[Me4P]+1 +24.4
[PO4]-3 +6.0
PF5 -80.3
PCl5 -80
MePF4 -29.9
Me3PF2 -158
Me3PS +59.1
Et3PS +54.5
[Et4p]+1 +40.1
[PS4]-3 +87
[PF6]-1 -145
[PCl4]+1 +86
[PCl6]-1 -295
Me2PF3 +8.0

 

From: http://www.chem.uni-potsdam.de/tools/e_31p.html

31P chemical shifts

H3PO4 = 0ppm
All values are given in ppm !!!

Type shift ranges
CPH2 -150 to -120 ppm
C2PH -100 to 80ppm
C3P -60 to -10 ppm
C2PHal 80 to 150 ppm
P(NR)3 115 to 130 ppm
P(OR)3 125 to 145 ppm
P(SR)3 110 to 120 ppm
PHal3 120 to 225 ppm
P(OR)2Hal 140 to 190 ppm
CPHal2 160 to 200ppm
CPHalN 165 to 185 ppm
O=PHal3 -80 to 5 ppm
O=P(OR)Hal2 -30 to 15 ppm
O=P(OR)2Hal -20 to 25 ppm
O=P(OR)3 -20 to 0 ppm
S=P(OR)3 60 to 75 ppm
CP(=O)(OR)2 -5 to 70 ppm
CP(=S)(OR)2 80 to 110 ppm
CP(=O)(OH)2 -5 to 25 ppm
(RO)2POH 0 to 20 ppm
C2P(=O)OR 0 to 60 ppm
CP(=O)Hal2 5 top 70 ppm
CP(=O)HalN 25 to 50 ppm
C3P=OC3P=S 20 to 60 ppm
C2P(=O)Hal 40 to 90 ppm
P(OR)5 -75 to -5 ppm
C4P+Hal- -5 to 30 ppm
Ar3P=CR2 5 to 25 ppm

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